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Unit 2 Test - Biological Reactions

Total questions: 18

Worksheet time: 10mins

Name
Class
Date
1.

Which term refers to the sum of all biochemical processes occurring within a cell or organism?

a)

Metabolic Pathway

b)

Catabolic Reaction

c)

Metabolism

d)

Anabolic Reaction

2.
Which of the following best describes catabolic reactions?
a)
Building complex molecules from simpler ones.
b)
Breaking down complex molecules into simpler ones.
c)
Storing energy in chemical bonds.
d)
Combining amino acids to form proteins.
3.

Enzymes (a)   the activation energy required for a reaction to occur.

4.

What are the building blocks of proteins?

a)

Amino acids

b)

Fatty acids

c)

Monosaccharides

d)

Nucleotides

5.

Enzymes are (a)   , meaning they are not consumed during a reaction.

6.

Which of the following are true for Catabolic Reactions?

a)

Require Energy

b)

Endothermic Reaction

c)

Endergonic Reaction

d)

Release Energy

e)

Exothermic Reaction

7.

If you had 3 lego pieces and you connected them to form a single structure, what type of reaction would this represent?

a)

Metabolism

b)

Anabolic

c)

Exothermic

d)

Catabolic

8.

What is the main purpose of photosynthesis in plants?

a)

To transform chemical energy into light energy

b)

To convert light energy into chemical energy stored in glucose

c)

To decompose glucose for energy release

d)

To solely convert carbon dioxide into oxygen

9.

What are the main products of the photosynthesis process?

a)

Oxygen and glucose

b)

Carbon dioxide and water

c)

Glucose and minerals

d)

Oxygen and carbon dioxide

10.
Which cellular organelle is responsible for carrying out photosynthesis?
a)
Mitochondria
b)
Nucleus
c)
Chloroplast
d)
Vacuole
11.

What are the main products of the light-dependent reactions that are utilized in the Calvin cycle?

a)

Oxygen and glucose

b)

NADPH and ATP

c)

Carbon dioxide and RuBP

d)

Water and carbon dioxide

12.

Which of the following organisms are capable of performing photosynthesis? Select all that are correct.

a)

Plants

b)

Fungi

c)

Animals

d)

Bacteria

e)

Protists

13.

What is the primary purpose of cellular respiration in living organisms?

a)

To convert sunlight into chemical energy

b)

To break down glucose and produce ATP

c)

To store energy in the form of starch

d)

To synthesize proteins from amino acids

14.
During cellular respiration, energy is primarily stored in the form of:
a)
ATP molecules
b)
Glucose molecules
c)
Water molecules
d)
Oxygen molecules
15.

Cellular respiration produces ​ (a)   ​ (b)   & ​ (c)  

Choose from the below words
ATP
CO2
Water
ADP
H3O
O2
16.

What occurs to the chemical bonds in food molecules during the process of cellular respiration?

a)

They remain unchanged throughout the process

b)

They are strengthened to store more energy

c)

They are broken down to release energy

d)

They are transformed into oxygen molecules

17.

Fermentation results in the production of ATP.

a)

True

b)

False

18.

What is the initial stage of both aerobic and anaerobic respiration?

a)

Electron transport chain

b)

Glycolysis

c)

Krebs cycle

d)

Oxidative phosphorylation